Comparison

Foxit eSign vs PromptBuild

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Foxit eSign

Streamline document signing on the go with this app. Upload various file types, create templates, and assign recipients for legally binding electronic signatures. Features offline mode, integrations, and robust security for compliant document management.

Highlights
  • Upload PDF and other document formats
  • Drag and drop document preparation
  • Offline mode for preparing and signing
  • Create and use document templates
  • Integrations via Zapier
  • ESIGN, UETA, and eIDAS compliant
  • HIPAA, FERPA, and SOC 2 compliance
Features
Read full description

Upload documents, create templates, assign recipients, and send for signing – all while on the go. Once completed, you have a tamper-proof and legally-binding signed document. Use Offline Mode and Document Sync to get signatures when the internet is not available. Features Include: Upload PDF and other document formats such as DOC, DOCX, XLSX, XLS, PPT, PPTX, CSV, TXT, RTF, and PNG Drag and drop document preparation with easy signature fields, date fields, data entry fields, and advanced field additions Offline mode enables users to continue preparing, signing, and managing documents when disconnected from the internet - simply sync and send once connected Save often-used forms and documents that you and your team utilize as templates in your personal library to save time later Automate signing tasks and processes by using pre-built integrations available for 1000s of popular applications through Zapier Confidently use electronic signatures knowing that all mobile signing meets ESIGN, UETA, and eIDAS legal and regulatory requirements Meet and exceed industry compliance requirements, such as HIPAA, FERPA, FINRA, 21 CFR Part 11, CCPA, and more, all through our mobile iOS signing solution Utilize features, such as knowledge-based authentication (KBA), to ensure compliance more easily with IRS forms, 21 CFR Part 11 documentation, banking documents, and more Ensure optimal security and privacy with our strict network security rules and firewall controls, along with 256-bit encryption, which enables your documents to be locked and always secured Stringent SOC 2 Type 2 compliance and AICPA trust principles of privacy, confidentiality, security, processing integrity, and availability are strictly enforced with all documents on all devices Ensure accurate and valid documents through identity verification options, such as two-factor (2FA) and multi-factor authentication (MFA), allowing you to establish and prove signer identities throughout the mobile signing process Bulk sending and signing features allow for multiple signatories to complete documents quickly and easily Easily view the signing status of documents and send reminders to recipients when needed Generate a unique signing link in one click to email clients, allowing them to sign on any device connected to the internet Parallel workflow-based interface fluidly guides you from template creation to sending and storing for a more streamlined and efficient experience Step-by-step walkthrough and easy-to-use design allows for fast user onboarding Establish signer roles, pre-fill information, and mark required fields on documents to guide recipients through the signing process Ordered signing keeps things moving by arranging signer sequences for multiple signatories Ensure court-admissible signed documents with tamper-evident features and detailed audit reports Utilize features like Secured Access Fields to maintain confidentiality by protecting private information entered into secured fields from being viewed by unauthorized users Create user roles, establish user access levels, and assign managers to restrict viewership and manage accessibility Maintain local data residency with trusted SOC 2 Type 2 and PCI compliant U.S. and E.U. data centers

About

PromptBuild

This app helps you craft superior prompts for AI tools by transforming basic questions into expertly structured requests. It offers four intelligent modes and smart context detection to adapt to your specific needs, teaching you prompt engineering techniques for lifelong AI mastery. Your prompts remain private as all processing occurs on your device.

Highlights
  • Four intelligent prompt modes
  • Smart context detection
  • Learn prompt engineering techniques
  • Universal AI tool compatibility
  • Privacy-first, on-device processing
Features
Read full description

PromptBuild transforms your basic questions into expertly structured prompts that unlock the full potential of AI. But here's what makes it special: you're not just getting better results today – you're learning prompt engineering techniques that will make you an AI power user for life. Four Intelligent Modes: Comprehensive – For deep dives and thorough analysis Focused – When you need direct, actionable answers Creative – For imaginative, out-of-the-box thinking Technical – Precise specifications for code, systems, and technical work Smart Context Detection: PromptBuild understands what you're asking for. Writing content? Debugging code? Planning a strategy? It automatically adapts the refinement to match your specific need – not just generic templates. Learn by Doing: Every refined prompt shows you the frameworks and structures that professionals use. See how to add context, specify requirements, and guide AI toward exactly what you need. It's like having a prompt engineering mentor in your pocket. Works Everywhere: Copy your refined prompts and use them in ChatGPT, Claude, Google Gemini, or any AI tool. PromptBuild is universal – enhance your workflow wherever you use AI. Privacy-First: Everything happens on your device. No data collection, no tracking, no cloud processing. Your prompts stay yours. Perfect for: Content creators crafting better writing prompts Developers debugging code and building technical specs Students researching and learning complex topics Professionals planning strategies and analyzing data Anyone who wants to get more value from AI tools Stop settling for mediocre AI responses. Start building prompts that get results.

Screenshots

Foxit eSign4 screens
PromptBuild3 screens

Verdict

The call

The clearest difference is review sentiment: PromptBuild at 100% against Foxit eSign's 21%. PromptBuild also leads on rating (5.0 vs 3.3) and iOS requirement (14.0 vs 16.6). Foxit eSign's advantage is price (Free vs $0.99) and ratings volume (14 vs 3). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Foxit eSign is free to download; PromptBuild costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PromptBuild holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 14 and 3 respectively. Written reviews point the same way: 21% of Foxit eSign's written reviews are positive against 100% of PromptBuild's.

Scorecard6 real differences · 4 level
Foxit eSign versus PromptBuild: the parameters behind the verdict, then further details
ParameterFoxit eSignPromptBuild
PriceFree — better$0.99
Rating3.3 (14 ratings)5.0 (3 ratings) — better
Positive reviews21.1% of reviews100.0% of reviews — better
Number of ratings14 — better3
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.614.0 — better
Further details — not scored
Size42 MB8 MB
Age rating4+9+
DeveloperFOXIT SOFTWARE INCORPORATEDChristopher Shrader

Customer experience

Foxit eSign

All ratings14 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews19 reviews
Positive21.1%
Neutral0.0%
Negative78.9%

PromptBuild

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Foxit eSign

No in-app purchases

None

PromptBuild

No in-app purchases

Questions

Is Foxit eSign free?
Foxit eSign is free to download, with no in-app purchases.
Is PromptBuild free?
PromptBuild costs $0.99, with no in-app purchases.
Which has better reviews, Foxit eSign or PromptBuild?
PromptBuild is rated higher. Foxit eSign averages 3.3 out of 5 from 14 ratings, while PromptBuild averages 5.0 from 3 ratings.
Do Foxit eSign or PromptBuild have ads?
Neither Foxit eSign nor PromptBuild shows ads.

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